From a0a24ebf72f8af53aa6bc6473c1d62cd5ac33c5f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A1ssio=20Zen?= <cassiozen@gmail.com>
Date: Wed, 17 Aug 2016 09:52:17 -0300
Subject: [PATCH] plugin architecture

---
 package.json           |  4 ++--
 src/actions/editor.js  |  8 ++++++++
 src/index.js           |  3 +++
 src/plugins/index.js   | 40 ++++++++++++++++++++++++++++++++++++++++
 src/reducers/editor.js | 11 ++++++-----
 5 files changed, 59 insertions(+), 7 deletions(-)
 create mode 100644 src/plugins/index.js

diff --git a/package.json b/package.json
index c91c9083..5afdd2bf 100644
--- a/package.json
+++ b/package.json
@@ -74,11 +74,11 @@
     "json-loader": "^0.5.4",
     "localforage": "^1.4.2",
     "lodash": "^4.13.1",
-    "markup-it": "git+https://github.com/cassiozen/markup-it.git",
+    "markup-it": "git+https://github.com/GitbookIO/markup-it.git",
     "pluralize": "^3.0.0",
     "prismjs": "^1.5.1",
     "react-portal": "^2.2.1",
     "selection-position": "^1.0.0",
-    "slate": "^0.12.2"
+    "slate": "^0.13.5"
   }
 }
diff --git a/src/actions/editor.js b/src/actions/editor.js
index c9e35448..fe26c1af 100644
--- a/src/actions/editor.js
+++ b/src/actions/editor.js
@@ -1,4 +1,5 @@
 export const SWITCH_VISUAL_MODE = 'SWITCH_VISUAL_MODE';
+export const REGISTER_COMPONENT = 'REGISTER_COMPONENT';
 
 export function switchVisualMode(useVisualMode) {
   return {
@@ -6,3 +7,10 @@ export function switchVisualMode(useVisualMode) {
     payload: useVisualMode
   };
 }
+
+export function registerComponent(options) {
+  return {
+    type: REGISTER_COMPONENT,
+    payload: options
+  };
+}
diff --git a/src/index.js b/src/index.js
index 508b38f0..55c88e99 100644
--- a/src/index.js
+++ b/src/index.js
@@ -5,6 +5,7 @@ import { Router } from 'react-router';
 import configureStore from './store/configureStore';
 import routes from './routing/routes';
 import history, { syncHistory } from './routing/history';
+import { initPluginAPI } from './plugins';
 import 'file?name=index.html!../example/index.html';
 import './index.css';
 
@@ -13,6 +14,8 @@ const store = configureStore();
 // Create an enhanced history that syncs navigation events with the store
 syncHistory(store);
 
+initPluginAPI(store);
+
 const el = document.createElement('div');
 el.id = 'root';
 document.body.appendChild(el);
diff --git a/src/plugins/index.js b/src/plugins/index.js
new file mode 100644
index 00000000..fffb9412
--- /dev/null
+++ b/src/plugins/index.js
@@ -0,0 +1,40 @@
+import { registerComponent } from '../actions/editor';
+
+let storeRef;
+const requiredEditorComponentProperties = ['label', 'fields', 'detect', 'fromBlock', 'toBlock'];
+
+const checkConfigKeys = (config, requiredProps) => {
+  for (var i = requiredProps.length; i--;) {
+    if (!config.hasOwnProperty(requiredProps[i])) return false;
+  }
+  return true;
+};
+
+const wrap = (func) => function() {
+  func.apply(null, arguments);
+};
+
+function CMS() {
+  this.registerEditorComponent = (config) => {
+    if (checkConfigKeys(config, requiredEditorComponentProperties)) {
+      const configObj = {
+        label: config.label || 'unnamed',
+        icon: config.icon || 'exclamation-triangle',
+        fields: config.fields,
+        detect: wrap(config.detect),
+        fromBlock: wrap(config.fromBlock),
+        toBlock: wrap(config.toBlock),
+        toPreview: config.toPreview ? wrap(config.toPreview) : wrap(config.toBlock)
+      };
+      storeRef.dispatch(registerComponent(configObj));
+    } else {
+      const label = config.label || 'unnamed';
+      window.console && console.error(`The provided component configuration for ${label} is incorrect.`);
+    }
+  };
+}
+
+export const initPluginAPI = (store) => {
+  storeRef = store;
+  window.CMS = new CMS();
+};
diff --git a/src/reducers/editor.js b/src/reducers/editor.js
index 2273e708..9a6c2936 100644
--- a/src/reducers/editor.js
+++ b/src/reducers/editor.js
@@ -1,11 +1,12 @@
-import { Map } from 'immutable';
-import { SWITCH_VISUAL_MODE } from '../actions/editor';
+import { Map, List } from 'immutable';
+import { SWITCH_VISUAL_MODE, REGISTER_COMPONENT } from '../actions/editor';
 
-const editor = (state = Map({ useVisualMode: true }), action) => {
+const editor = (state = Map({ useVisualMode: true, registeredComponents: List() }), action) => {
   switch (action.type) {
     case SWITCH_VISUAL_MODE:
-      return Map({ useVisualMode: action.payload });
-
+      return state.setIn(['useVisualMode'], action.payload);
+    case REGISTER_COMPONENT:
+      return state.updateIn(['registeredComponents'], list => list.push(action.payload));
     default:
       return state;
   }